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Note 17 - Industry Segment Information (Details Textual)
$ in Millions
3 Months Ended 12 Months Ended
Jun. 30, 2016
USD ($)
Jun. 30, 2018
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Number of Reportable Segments   5    
Capital Expenditures Incurred but Not yet Paid     $ 0.5 $ 2.1
Other Operating Income (Expense) [Member]        
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down $ 7.3     $ 7.3
Food Service Equipment Group [Member]        
Number of Operating Segments   8